chitin Chitimachan • chitinization · · · Info · Definitions · Characters · · chitin · · Text Latin · · Script 6 · · Length 2 · · Syllables Definitions · · · (noun) a tough semitransparent horny substance; the principal component of the exoskeletons of arthropods and the cell walls of certain fungi. · · Noun Definition 1 Characters · · c latin small letter c U+0063 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E t latin small letter t U+0074